12166026 has 16 divisors (see below), whose sum is σ = 24384864. Its totient is φ = 4046544.

The previous prime is 12166019. The next prime is 12166027. The reversal of 12166026 is 62066121.

12166026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12165987 and 12166005.

It is not an unprimeable number, because it can be changed into a prime (12166027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200 + ... + 5076.

It is an arithmetic number, because the mean of its divisors is an integer number (1524054).

Almost surely, 2^12166026 is an apocalyptic number.

12166026 is an abundant number, since it is smaller than the sum of its proper divisors (12218838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12166026 is a wasteful number, since it uses less digits than its factorization.

12166026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12166026 is about 3487.9830848214. The cubic root of 12166026 is about 229.9938624701.

The spelling of 12166026 in words is "twelve million, one hundred sixty-six thousand, twenty-six".